Swath Data File: sb20092180000.mb41 MBIO Data Format ID: 41 Format name: MBF_SB2100RW Informal Description: SeaBeam 2100 series vender format Attributes: SeaBeam 2100, bathymetry, amplitude and sidescan, 151 beams and 2000 pixels, ascii with binary sidescan, SeaBeam Instruments. Data Totals: Number of Records: 630 Bathymetry Data (151 beams): Number of Beams: 95130 Number of Good Beams: 75795 79.68% Number of Zero Beams: 19335 20.32% Number of Flagged Beams: 0 0.00% Amplitude Data (151 beams): Number of Beams: 95130 Number of Good Beams: 75795 79.68% Number of Zero Beams: 19335 20.32% Number of Flagged Beams: 0 0.00% Sidescan Data (2000 pixels): Number of Pixels: 1260000 Number of Good Pixels: 865213 68.67% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 394787 31.33% Navigation Totals: Total Time: 0.9989 hours Total Track Length: 7.1605 km Average Speed: 7.1682 km/hr ( 3.8747 knots) Start of Data: Time: 08 06 2009 00:00:02.437000 JD218 Lon: -156.5761 Lat: 72.5480 Depth: 1464.5000 meters Speed: 0.9277 km/hr ( 0.5014 knots) Heading: 264.8860 degrees Sonar Depth: 0.0000 m Sonar Altitude: 1464.5000 m End of Data: Time: 08 06 2009 00:59:58.533000 JD218 Lon: -156.6954 Lat: 72.4985 Depth: 1028.0000 meters Speed: 11.7757 km/hr ( 6.3652 knots) Heading: 200.1690 degrees Sonar Depth: 0.0000 m Sonar Altitude: 1028.0000 m Limits: Minimum Longitude: -156.7583 Maximum Longitude: -156.5513 Minimum Latitude: 72.4935 Maximum Latitude: 72.5800 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 1028.0000 Maximum Altitude: 1556.7000 Minimum Depth: 871.3000 Maximum Depth: 1908.4000 Minimum Amplitude: 38.5387 Maximum Amplitude: 83.0387 Minimum Sidescan: 0.6713 Maximum Sidescan: 23200.3294 Data Record Type Notices: DN: 630 MB_DATA_DATA (ID=1): survey data DN: 4 MB_DATA_VELOCITY_PROFILE (ID=6): SVP Nonfatal Error Notices: EN: 4 MB_ERROR_OTHER (ID=-8): Neither a data record nor a comment record Problem Notices: Coverage Mask: CM dimensions: 10 10 CM: 0 0 0 0 1 1 1 1 1 1 CM: 0 0 0 1 1 1 1 1 1 1 CM: 0 0 1 1 1 1 1 1 1 0 CM: 0 1 1 1 1 1 1 1 1 0 CM: 0 1 1 1 1 1 1 1 1 1 CM: 1 1 1 1 1 1 1 1 1 1 CM: 1 1 1 1 1 1 1 1 1 1 CM: 1 1 1 1 1 1 1 1 1 0 CM: 1 1 1 1 1 1 1 1 0 0 CM: 0 1 1 1 1 1 1 0 0 0